problem with CSS

[TheDarkMan]

This is the only page on any of my websites that uses CSS, of necessity. Halfway down it stopped displaying correctly.

LIMERICKS BY ALEXANDER BARON

I want to alter the font size of the body text so that it looks like this:

A WORD OF CAUTION: a poem by Alexander Baron

I think too I should alter the headings to H1 and maybe increase the spaces between the individual limericks. Is there any way I can do this? Thanks.